carboxylase: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “carboxylase” mean?
an enzyme that catalyzes the addition or removal of a carboxyl group (COOH) from a substrate.
Audio
Pronunciation
Definition
Meaning and Definition
an enzyme that catalyzes the addition or removal of a carboxyl group (COOH) from a substrate
Any of various specific enzymes that play key roles in metabolic pathways, such as the citric acid cycle, gluconeogenesis, or fatty acid synthesis, by adding or removing carbon dioxide from organic compounds.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling remains consistent.
Connotations
Purely technical with no cultural or regional connotations.
Frequency
Used with identical frequency in relevant scientific fields in both regions.
Grammar
How to Use “carboxylase” in a Sentence
[Substrate] carboxylaseCarboxylase catalyzes [process]Deficiency of [specific] carboxylaseVocabulary
Collocations
Examples
Examples of “carboxylase” in a Sentence
adjective
British English
- The carboxylase reaction is a key regulatory step.
- Biotin serves as a carboxylase cofactor.
American English
- The carboxylase activity was measured spectrophotometrically.
- A carboxylase deficiency can cause metabolic acidosis.
Usage
Meaning in Context
Business
Not applicable.
Academic
Core term in biochemistry, molecular biology, metabolic engineering, and medical genetics lectures and papers.
Everyday
Virtually never used.
Technical
Essential in research papers, lab protocols, clinical reports on metabolic disorders, and pharmacology.
Vocabulary
Synonyms of “carboxylase”
Neutral
Vocabulary
Antonyms of “carboxylase”
Watch out
Common Mistakes When Using “carboxylase”
- Mispronouncing as 'car-box-ill-ase'.
- Using as a general term without specifying the substrate (e.g., just 'carboxylase' instead of 'pyruvate carboxylase').
- Confusing with 'decarboxylase', which performs the reverse reaction.
FAQ
Frequently Asked Questions
No. 'Carboxylase' is a class name for enzymes that add a carboxyl group. Specific enzymes are named for their substrate, e.g., pyruvate carboxylase, acetyl-CoA carboxylase.
A carboxylase adds a carboxyl group (-COOH) to a molecule, often using energy from ATP. A decarboxylase removes a carboxyl group from a molecule, usually releasing carbon dioxide (CO2).
Biotin is a coenzyme (a 'helper molecule') that acts as a mobile carrier of activated CO2, which is then transferred to the substrate by the carboxylase enzyme. These are called biotin-dependent carboxylases.
In medical contexts discussing inherited metabolic disorders (e.g., multiple carboxylase deficiency), in agricultural science discussing plant photosynthesis (RuBisCO), or in nutritional science concerning biotin (vitamin B7) deficiency.
an enzyme that catalyzes the addition or removal of a carboxyl group (COOH) from a substrate.
Carboxylase is usually technical/scientific in register.
Carboxylase: in British English it is pronounced /kɑːˈbɒksɪleɪz/, and in American English it is pronounced /kɑːrˈbɑːksɪleɪs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: CARBon + OXYgen + group + ase (enzyme suffix). An enzyme that handles a 'carboxy-' group.
Conceptual Metaphor
A molecular machine tool for installing or uninstalling a specific chemical module (COOH) onto other molecules.
Practice
Quiz
What is the primary biochemical function of a carboxylase?